Home / 20,201.33-30,315.87-7,053.68

Finding the Fourth Proportional to 20,201.33, 30,315.87 and 7,053.68

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Solution

The fourth proportional to 20,201.33, 30,315.87 and 7,053.68 is: 10,585.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,201.33 : 30,315.87 = 7,053.68 : x
  2. Step 2: Convert to fraction form
    20,201.33/30,315.87 = 7,053.68/x
  3. Step 3: Cross multiply
    20,201.33x = 30,315.87 × 7,053.68
  4. Step 4: Simplify right side
    20,201.33x = 213,838,521.69
  5. Step 5: Solve for x
    x = 213,838,521.69/20,201.33
  6. Step 6: Final answer
    x = 10,585.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.